2m/s0.5cm/s22cm/min211.25m/s232m/s-2m/HR2-0.75m/s24cm/s1m/s20KM/s294cm/sSlowingdown4cm/s24KM/day-0.10m/s2Speedingup0.5KM/min-1m/HR20.22m/sInitialVelocityFinalVelocity-0.05m/s20KM/HR20.02cm/min