A 0500 Kg Stone Is Moving in a Vertical Circular Path

Multiple Choice

A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long. The stone is moving around the path at a constant frequency of 1.50 rev/sec. At the moment the stone is overhead, the stone is released. The speed of the stone when it leaves the circular path is

A) 5.55 m/s.
B) 7.07 m/s.
C) 7.75 m/s.
D) 8.35 m/s.
E) 9.00 m/s.