If an Object Were to Suddenly Shrink and Decrease Its

Multiple Choice

If an object were to suddenly shrink and decrease its moment of inertia by a factor of 3,what is the difference in energy between the final and initial rotational kinetic energies?

A) 3 times initial K_rot
B) 9 times initial K_rot
C) 8 times initial K_rot
D) 2 times initial K_rot
E) zero,K_rot remains the same