002 (part 1 of 2) 10.0 points A 56 kg pole vaulter falls from rest from a height of 5.3 m onto a foam rubber pad. The pole vaulter comes to rest 0.40 s after landing on the pad. a) Calculate the athlete's velocity just be- fore reaching the pad. Answer in units of m/s. 003 (part 2 of 2) 10.0 points b) Calculate the constant force exerted on the pole vaulter due to the collision. Answer in units of N