Acceleration a = a m/sec2
Initial speed u = 0 m/sec
Let the time be t1 sec.
From equation v = u + at
⇒ v = 0 + αt1
Retardation a = – β m/sec2
Initial speed ‘u’ is equal to the final velocity with acceleration ‘α’
= u = αt1 m/sec
Final velocity v = 0 m/sec
Let the time be t2 sec