[单选题]
The moment of inertia of a solid cylinder abouq. b ave*5:hsm kfyya a8,*(owt its axis is given by 0.5 l(v-*c)vckr f MR2. If this cylinder rolls withoutvc( fr-* vkl)c slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
