Amodel rocket is launched and follows the path of a parabola for 10 seconds until it lands. at which time would the rocket's height be neither increasing or decreasing? a. at 7 seconds b. at 9 seconds c. at 5 seconds d. at 3 seconds a punter kicks a football that follows the path of a parabola. the football reaches its maximum height in 3 seconds. at which time would the football be decreasing along its path? a. at 1 second b. at 4 second c. at 2 second d. at 3 second