A Rock Moves in Uniform Circular Motion Attached to a String.At

Multiple Choice

A rock moves in uniform circular motion attached to a string.At point X the string is cut with a very sharp blade and the rock is no longer attached to the string.In what direction will the rock travel?

A) in toward the center (a)
B) in a curved line,away from the circle (b)
C) in a straight line (c)
D) away from the center (d)
E) None are correct.