Connor (m=65.4 kg) is competing in the state diving championship. He leaves the springboard from a height of 3.10 meters above the water surface with a speed of 5.35 m/s in the upward direction.

a. Determine Connor's speed when he strikes the water.

b. Connor's body plunges to a depth of 2.36 meters below the water surface before stopping. Determine the average force of water resistance experienced by his body.​