A 1 kg ball and a 10 kg ball are dropped from a height of 10 m at the same time. In the absence of air resistance,

O the 10 kg ball will take 10 times the amount of time to reach the ground.
O the two balls will hit the ground at the same time. 0 there is not enough information to determine which ball will hit the ground first.
O the 10 kg ball will hit the ground first.
O the 1 kg ball will hit the ground first.