A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct?

Question

A disc is rolling, the velocity of its centre of mass is v_cm. Which one will be correct?

the velocity of highest point is 2 v_cm and point of contact is zero

the velocity of highest point is v_cm and point of contact is v_cm

the velocity of highest point is 2v_cm and point of contact is v_cm

the velocity of highest point is 2v_cm and point of contact is 2v_cm.

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