iocTT.com :Most advanced multi-lingual discussion forum for tabletennis (Factual / parody). Uncensored. Free discreet membership to post. Simple registration. No email needed.

I hear coach talking this many times.
I confuse which is more crucial

This is one of the most neglected or misunderstood concepts

From a math geek's calculus viewpoint, velocity is differential of distance and acceleration is differential of velocity
I will give some simpler examples later unless others want to take a stab at it.