When a parachutist jumps from an airplane, he eventually reaches a constant speed, called the terminal velocity. This means that
A) the acceleration is equal to g.
B) the force of air resistance is equal to zero.
C) the effect of gravity has died down.
D) the effect of gravity increases as he becomes closer to the ground.
E) the force of air resistance is equal to the weight of the parachutist.
E
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