Question: Two students perform an experiment in which they drop a ball from rest from a known height above the ground and measure the speed of the ball just before it strikes the ground. From repeated measurement, the students estimate the uncertainty in the measured speed of the ball to be 10 percent. Which of the following gives the uncertainty in the kinetic energy of the ball? (Assume the uncertainty in the ball’s mass is negligibly small.)
A: 5%
B: 10%
C: 15%
D: 20%
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Please answer in JSON format.
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