6. One minute after takeoff, a rocket carrying the space shuttle into outer space reaches a speed of 447 m/s.
What was the average acceleration of the rocket during that initial minute?

acceleration of the rocket is given as

Explanation:

As we know that rocket starts from rest and then reach to final speed of 447 m/s after t = 1 min

so we have

so we have

1/0.14nm = 10^10/1.4 a lot

the answer is kevlar