ST4.13 Galileo's Experiment?

Two marbles, one twice as heavy as the other, are dropped to the ground from the roof of a building. The effects of air resistance are negligible. Just before hitting the ground, the heavier marble has
Incorrect
Correct
Incorrect
Incorrect
Incorrect

[There is ONE correct answer above. Choose the one you think is correct and press the "Check Your Answer" button below to see if you are right.]