Speed . . . Any unit of length or distance/any unit of time
Acceleration . . . Any unit of speed/any unit of time
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Acceleration is not measured in meters/second. Meters/second is a unit of speed. Since acceleration is defined as change of speed divided by time, the units are meters/second/second, usually written as meters/second2.
Rate of change of speed. It can be the units for acceleration but need not be.
Assuming that your units of velocity are in units/second Acceleration = (velocity 2 - velocity 1) / time Acceleration = (4.9 - 0) / 3 Acceleration =1.63 *With correct significant figures the answer is 2
Acceleration is the time rate of change of speed. Acceleration = speed/time.
Acceleration is the rate that speed changes.