Express the Angular Speed in Radians Per Second $840 \pi$ Radians Per Second
B) 840 Radians Per Second
C)

Multiple Choice

Express the angular speed in radians per second.
-420 revolutions per second

A) $840 \pi$ radians per second
B) 840 radians per second
C) $420 \pi$ radians per second
D) 420 radians per second