The Circular Blade of a Saw Has a Diameter of 8

Multiple Choice

The circular blade of a saw has a diameter of 8 inches and rotates at 2000 revolutions per minute. Find the linear speed of the saw teeth in feet per second. Round your answer to two decimal places.

A) $139.63$ feet per second
B) $837.76$ feet per second
C) $11.11$ feet per second
D) $69.81$ feet per second
E) $209.44$ feet per second