The Rotational Velocity of a 45 Rev/min Phonograph Record in Rad/s

Multiple Choice

The rotational velocity of a 45 rev/min phonograph record in rad/s is approximately

A) 45 rad/s.
B) 4.7 rad/s.
C) 0.75 rad/s.
D) 283 rad/s.
E) 15.7 rad/s.