An Object of Radius R and Moment of Inertia I

Multiple Choice

An object of radius R and moment of inertia I rolls down an incline of height H after starting from rest.Its total kinetic energy at the bottom of the incline:

A) is gR/I.
B) is I/gH.
C) is 0.5Ig/H.
D) cannot be found from the given information alone.