Solve the Problem $\frac { 1 } { 3 }$ Radian Has Been Covered, What Is the Linear Speed of with a Radius

Multiple Choice

Solve the problem.
-An object is spinning around a circle with a radius of 19 centimeters. If in 9 seconds a central angle of $\frac { 1 } { 3 }$ radian has been covered, what is the linear speed of the object?

A) $\frac { 38 } { 27 } \mathrm {~cm}$ per sec
B) $\frac { 19 } { 27 } \mathrm {~cm}$ per sec
C) $19 \mathrm {~cm}$ per sec
D) $57 \mathrm {~cm}$ per sec