Can someone help me on this one?. . What is the momentum of a 76-kilogram horse running at a speed of 45 kilometers/hour? . . A) 2.5 x 10^2 kilograms*meters/seconds. B) 3.4 x 10^4 kilograms*meters/seconds. C) 3.4 x 10^3 kilograms*meters/seconds. D) 9.5 x 10^2 kilograms*meters/seconds