and i'm gonna flip this off to the side and see if you don't see them both fall at the same-- yehe yehey. huh? isn't that nice? okay? so heavy things will fall faster or the same as light things? faster. faster. these fell at the same time because one, of course, was higher. one had to go up a greater distance. ain't that nice? okay. yeah, do it one more time. oh, one more time. yeah. why not? if these were a couple of dead fish and the couple of dead fish were going down, which dead fish would get to the bottom first, the big one or the little one? the big one. the big one. the big one will fall faster, yeah? yeah. do you have any friends that swim? do you have any friends that are like competition swimmers? do you know any competition swimmers who are-- look at that. do you know any competition swimmers who are small? will this effect of scaling be useful or nonuseful to a small swimmer? two people fall off a cliff in a vacuum, big person, small person. which one hits the ground first? the same. now, two people fall off a cliff in the air, one is heavy, one is light. which one hits the