Were talking about the same things, juist drawing difernt conculsions from it. I made an animation.
http://student.csumb.edu/ac/barnettp...rld/stroke.mov
Yes the piston is moving faster in the 302 than the 289. BUT! the crank is still spinning at the same rpm!
And you cant increase the speed of the crank without increasing the speed of teh shole car.
Increaseing the speed of the whole car is determined by f=ma.