JEE Main Physics question

A motorcyclist moving with a velocity of 72 km/hour on a flat road takes a turn at a point where the radius of curvature of the road is 20 m. The acceleration due to gravity is 10 m/sec². In order to avoid skidding, he must not bend with respect to the vertical plane by an angle greater than

• (A)
• (B)
• (C)Correct
• (D)