A sprinter runs 100 meters at a speed of 7 meters per second. Then she cools down by running 100 meters at 3.5 meters per second. What is the best prediction?%0D%0A%0D%0AKE=12mv2%0D%0A%0D%0A%0D%0A=%0D%0A1%0D%0A2%0D%0A%0D%0A%0D%0A2%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AHer kinetic energy stays the same.%0D%0AHer kinetic energy stays the same.%0D%0A%0D%0AHer kinetic energy decreases by a factor of 4 when she cools down.%0D%0AHer kinetic energy decreases by a factor of 4 when she cools down.%0D%0A%0D%0AHer kinetic energy doubles when she cools down.%0D%0AHer kinetic energy doubles when she cools down.%0D%0A%0D%0AHer kinetic energy decreases by a factor of 2 when she cools down.
