Connor (m=82.5 kg) is competing in the state diving championship. He leaves the springboard from a height of 3.20 meters above the water surface with a speed of 5.68 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 2.32 meters below the water surface before stopping. Determine the average force of water resistance experienced by his body.