The correct answer to this open question is the following.
As no options were provided, we can say that when the quarterback throws a football forward to go over a few players from the opponents team, from the instant the football leaves the quarterback's hand, the football has a certain "force" that comes from the launching movement of the arm of the quarterback, that is going to affect the speed of the ball and the angle the ball takes to get to the hands of its receiver, above the other defenders.
