A 2 kg stone moves with a speed of 1 m/s. A second 2 kg stone is moving twice as fast. Compare their kinetic energies.
A. The second stone has 0.5 times as much kinetic energy.
B. The second stone has 2 times as much kinetic energy.
C. The second stone has 0.25 times as much kinetic energy.
D. The second stone has 4 times as much kinetic energy.