A skateboarder with a mass of 45 kilograms is riding on a skateboard with a mass of 2. 5 kilograms. What should be the velocity of the skateboarder if she has to attain a momentum of 264 kilogram meters/second? A. 5. 5 meters/second B. 55. 5 meters/second C. 1. 2 × 102 meters/second D. 1. 2 × 103 meters/second E. 1. 2 × 104 meters/second.