A disc is rolling, the velocity of its centre of mass is `v_(c.m.)`. Which one of the following will be correct?

Options

A. the velocity of the highest point is `2v_(c.m.)` and that of the point of contact is zero
B. the velocity of both the highest point and the point of contact is `v_(c.m.)`.
C. the velocity of the highest point is `2v_(c.m.)` and that of the point of contact is `v_(c.m.)`
D. the velocity of the highest point and the point of contact is `2v_(c.m.)`