A Rock Is Suspended from a String; and It Accelerates

Multiple Choice

A rock is suspended from a string; and it accelerates upward. Which statement is true concerning the tension in the string?

A) The tension points downward.
B) The tension is less than the weight of the rock.
C) The tension is equal to the weight of the rock.
D) The tension is greater than the weight of the rock.
E) The tension is independent of the magnitude of the rock's acceleration.