Compare Speed and Energy Practice Test

In a 30-second running game, Keisha runs 90 m, and Carlos runs 45 m. Based on the scenario, who has more kinetic energy (energy of motion)?

Two students race toy cars down a ramp: one car is speeding and reaches the bottom in 3 s, and the other is crawling and reaches the bottom in 9 s. Which car has more kinetic energy (energy of motion)?