Originally Posted by
Brian Ratliff
I don't see anything related to drag force in your getup there. Show me how the accelerations are identical taking drag into account mathematically. Take a look at my links and show me where I'm wrong.
I already said that given the same coefficient of drag, acceleration will be the same. What's different is the terminal velocity, which will be slower for a lighter rider, causing the heavy rider to be faster on the descent, but this is referring to velocity, not acceleration.