This, by the way, could never happen. Placing your finger over the hole, fill the jug with water. Go to a playground with a friend as an observer. Find a high place and make sure nobody is standing directly below. Take your finger off the hole and drop the jug.
Sky divers are in a state of free-fall only at the beginning of the jump.
Think of ways in which a sky diver could speed up or slow down the descent. Take 14 pennies. Make two piles of seven. Tape one pile together. Hold one pile in your right hand and the other in your left.