An antelope trots through the grasslands at a velocity of 2 m/s. suddenly, a lion begins to chase the antelope. if the antelope accelerates at a rate of 4 m/s2, what is the antelope’s final velocity after 7 seconds? assume that the antelope moves in only one direction. a. -26 m/s b. 26 m/s c. 56 m/s d. 30 m/s