Two Balls Have the Same Size and Surface Texture, but One

Multiple Choice

Two balls have the same size and surface texture, but one is twice as heavy as the other. How many times larger is the terminal speed of the more massive ball falling through air than that of the lighter ball?

A) The balls fall with the same speed in air.
B) The massive ball's terminal speed is [2] $]^{1 / 2}$ times larger than the other's.
C) The massive ball's terminal speed is 2 times larger than the other's.
D) The massive ball's terminal speed is 4 times larger than the other's.
E) The massive ball's terminal speed is some other multiple of the other's (specify) .