Problem A child whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 1. 4 m long. The string breaks, and the stone flies off horizontally, striking the ground 11m away What was the centripetal acceleration of the stone while in circular motion?Problem: A child whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 1.4 m long. The string breaks, and the stone flies off horizontally, striking the ground 11m away. What was the centripetal acceleration of the stone while in circular motion?