Physics question (circular motion)

Question

On a tape recorder, the tape leaves a spool at a constant speed v at a variable distance r from the centre. The angular velocity of the spool

A) is constant

B) is proportional to r

C) is proportional to r squared

D) is proportional to 1/r

Please explain.

Answer 1

w = v/r

D)

,..,

Answer 2

A