A gear underneath the moving walkway at an airport in Amsterdam rotates at 230 revolutions per minute. Calculate its angular speed in radians per second and express the answer to the nearest tenth.

• A. 24.1 radians per sec
• B. 39.8 radians per sec
• C. 22.7 radians per sec
• D. 34.4 radians per sec

Answer: (A)