A CD Has a Diameter of 12

Multiple Choice

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant frequency of 4.00 cycles per second,then the tangential velocity of a point on the circumference is

A) 1.25 m/s.
B) 1.31 m/s.
C) 1.51 m/s.
D) 1.82 m/s.
E) 2.00 m/s.