Solve the Problem
-A Ball on the End of a String

Multiple Choice

Solve the problem
-A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 15 seconds a central angle of $\frac { 1 } { 5 }$ radian has been covered, what is the angular speed of the ball?

A) 3 radians per sec
B) $\frac { 1 } { 3 }$ radians per sec
C) 75 radians per sec
D) $\frac { 1 } { 75 }$ radian per sec