During first seconds of the rocket flight, rocket is propelled straight up so in t seconds rocket reaches the height of s=5t3(to the third power).
i) How high rocket travels in 40 seconds.
ii) Find average velocity of rocket in first 135 feet of its flight.
iii) Find average velocity of rocket in first 135 feet of its flight?
iv) Find instataneous velocity fo rocket at the end of 40 seconds.