A ball on a string is swung in a horizontal circle on a frictionless table. The tension in the string is To when the ball completes a rotation in 1 s. You then increase the speed so that the ball completes a rotation in 0.5 s. What is the new tension in the string?
A) 1/4 To
B) 1/2 To
D) 2 To
E) 4 To
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