Explanation:
w=1300rev/min * 1min/60sec *2pi rad/1 rev
w=136.135 rad/sec
speed = w*radius
speed = 136.135*2.25/2
speed = 153.15 m/sec
acceleration = speed square/radius
acc = 20848.8m/s^2
divide by 9.8 to get the value in gees
