A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. The eraser does not slip. Treat the pencil like a uniform rod. What is the angular speed of the pencil when it makes a 30.0" angle with the vertical?
A. 3.56 rad/s
B. 7.23 rad/s
C. 1.83 rad/s
D. 6.32 rad/s