Use the Formula V $v = r \omega$ To Find the Value of the Missing Variable

Multiple Choice

Use the formula v $v = r \omega$ to find the value of the missing variable. Give an exact answer unless otherwise indicated.
- $\mathrm { v } = 10 \mathrm { ft }$ per sec, $\mathrm { r } = 5.0 \mathrm { ft }$ (Round to four decimal places when necessary.)

A) 2 radians per sec
B) $0.5$ radian per sec
C) $0.6283$ radian per sec
D) $3.1831$ radians per sec