TIL the constant mash and tug of starts and finishes is strong enough to detach the retina from drag racers' eyeballs. In the 1970s and 1980s some drag racers were knocked unconscious inside the cockpit by a horsepower-caused recoil dubbed “tire shake”

https://www.denverpost.com/2005/07/16/excessive-force/
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g26122/til_the_constant_mash_and_tug_of_starts_and/