As the Velocity of an Inertial Frame of Reference Increases

Multiple Choice

As the velocity of an inertial frame of reference increases with respect to a stationary observer, Einstein's theory of special relativity predicts that the length of an object, measured in the dimension parallel to the motion of the reference frame, will

A) decrease.
B) remain unchanged.
C) increase.
D) increase at first but start to decrease when the speed of the reference frame equals half the speed of light.
E) decrease at first but start to increase when the speed of the reference frame equals half the speed of light.