My Grandfather once At the ripe old age of 89 tried to push start the car down in the dip on a cold morning.
So you geussed it, he pushed it and it got away from him, but this is the funny part, It run straight down the hill and up the other side of the hill where it eventually slowed down, my Grand father by then had caught up eith the car and jump in.
while the car was now rolling backwards he managed to start the car in reverse and go of to work.
He can barely walk and yet he managed to catch the car, and when questioned about the running he merely said : "Well I wasn't Thinking about it.