JEE Main Physics question

An electric fan has blades of length 30 cm measured from the axis of rotation. If the fan rotates at 120 rpm, the acceleration of a point on the tip of the blade is

• (A)1600 m/s²
• (B)47.4 m/s²Correct
• (C)23.7 m/s²
• (D)50.55 m/s²