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Roller coaster or racecar, which pulls more Gs?

Looking for a thrill? You're not the only one. You'll find kindred spirits at airfields going up for a skydive, atop bridges and towers with bungees attached to their feet and standing in line for roller coasters at the local amusement park. But you'll also find them in the paddock at the racing circuit.
So what's the commonality? G-force. It's like gravity, only in each of these cases, it's experienced by human invention. But which activity subjects your body to the greatest amount of g-force? That's what Nissan set to find out.
Before putting them back in the cockpit, Nismo sent out two of its young hot-shoes - Jann Mardenborough and Mark Shulzhitskiy - to an amusement park in the UK with a camera and a g-force meter to find out if any of the coasters could produce as much lateral gravitational force as an LMP2 racing car. See what they found in the pair of videos, below.

Nissan slashes profit forecast as Ghosn arrest hurts brand appeal

TOKYO — Nissan cut its profit forecast for the fiscal year through March on Wednesday to reflect slowing sales, higher costs and the fallout from a criminal investigation of its former chairman, Carlos Ghosn. Nissan Motor Co. expects to post a 319 billion yen ($2.9 billion) profit for the fiscal year, marking a 22% drop from its earlier 410 billion yen ($3.7 billion) forecast. Nissan said the downgrade reflects higher costs in the U.S. from a warranty extension campaign for some vehicles and falling sales due to "corporate issues," alluding to the Ghosn scandal. Ghosn was arrested in November and is facing charges of underreporting his income and breach of trust. He says he is innocent. He was released on bail in March and is awaiting another court decision on bail after his re-arrest on April 4. Nissan, which is allied with Renault SA of France, has seen sales lag in France and Japan, where Ghosn is widely known. In the U.S. and China, buyers aren't as affected by the scandal, but the markets there overall have slowed. Other factors contributed to the revision, such as production not keeping up with demand for the Note, an extremely popular model in Japan. But the high-profile scandal has weakened the brand appeal of the maker of the Leaf electric car, Infiniti luxury model and X-trail sports utility vehicle. Nissan said it expects to sell 5.5 million vehicles in this fiscal year. Earlier it predicted it would sell 5.6 million. The company sold nearly 5.8 million vehicles in the fiscal year that ended in March 2018. The automaker reduced its sales outlook by 0.2% for the fiscal year through March 2019 to 11.5 trillion yen ($103 billion), compared to its previous forecast. It was Nissan's second downgrade for its outlook following one in February that cited faltering sales in China and the U.S. At that time, Nissan also logged costs about 9.2 billion yen ($83 million) related to the alleged underreporting of Ghosn's compensation. Nissan has promised to strengthen its corporate governance to prevent a recurrence of what it says is serious wrongdoing by Ghosn. Ghosn was sent by Nissan's French alliance partner, Renault SA, to help turn the Japanese automaker around when it was near bankruptcy 20 years ago. The future of the alliance is one of many questions clouding Nissan's future following Ghosn's ouster since he was the main liaison for the alliance, which includes smaller Japanese automaker Mitsubishi Motors.

2015 Nissan GT-R Nismo gets official

Behold the 2014 Nissan GT-R as dressed by Nismo and inspired by the GT3-spec race car that competed in this year's Nürburgring 24-hour race. Called the "ultimate iteration of Nissan's GT-R supercar," power goes up by 55 horsepower to 600 hp with updates like high-flow, large diameter turbos, and torque is "over 480 pound-feet," which means it's risen by at least 35 lb-ft.
Helping to keep it right-way up and pointed in the right direction are a race-tuned suspension with a larger, hollow anti-roll bar, custom Bilstein DampTronic dampers and the use of high-rigidity bolts. Outside, a new aero package from the wider front carbon bumper to the carbon rear spoiler above a longer, tapered rear bumper creates an additional 220 pounds of downforce at 186 miles per hour compared to the standard GT-R. Rumors of a 'Ring time of 7:08 abound, we'll get the truth - and we assume some video - very soon.
The bodyshell construction uses adhesive to improve rigidity, and behind those windows are carbon fiber Recaro buckets - in Europe and Japan, at least - and an Alcantara-wrapped wheel. It goes on sale next year, but you can get to know more about it right now in the press release below.