Quote Originally Posted by darkshadow
Ek = 0.5mv²
I'm horrible at physic so forgive me if i make a mistake. Kinetic Energy is determined by 1/2 mass x velocity square so while most of the force would derive from speed, mass is also an important factor in the equation. Also unlike a moving object, the speed of a punch from a human body is limited.

It would be ideal then to try to find a balance and maintain your weight as high as possible without sacrificing any speed in return.