Alec says the force of gravity is stronger on a piece of paper after it's crumpled. His classmate, Jordan, disagrees.

Alec says the force of gravity is stronger on a piece of paper after it's crumpled. His classmate, Jordan, disagrees. Alec "proves" his point by dropping two pieces of paper, one crumpled and the other not. Sure enough, the crumpled piece falls faster. Has Alec proven his point?