What was the maximum speed change of the vehicle during the impact? (iihs.org)
The challenge was to control the pressure build - up of the charging air to make it suitable for high dynamic load and speed changes in the racing engine. (motor-prime.com)
It's helped considerably by a six - speed automatic transmission, which allows both a wider spread of gear ratios and closer ratios for less engine - speed change between shifts. (cnet.com)