A Wheel of Radius 0

Multiple Choice

A wheel of radius 0.5 m rotates with a constant angular speed about an axis perpendicular to its center. A point on the wheel that is 0.2 m from the center has a tangential speed of 2 m/s.
-Determine the tangential acceleration of the point that is 0.2 m from the center.

A) 0.4 m/s²
B) 2.0 m/s²
C) 4.0 m/s²
D) 10 m/s²
E) zero m/s²