During a practice session in a stadium an athlete runs along a circular track and her performance is observed by her coach standing at point on the circle and also by her physiotherapist standing at the centre of the circle. The coach finds that she covers an angle of 72° in 1 min. what will be the angle covered by her in 1 second according to the measurement made by her physiotherapist?

• A. It depends on the position of the coach on the circular track
• B. 1.2°
• C. 4.8°
• D. 2.4°