Speed is rate of change in position, measured in distance over time, while acceleration is the change of speed in a particular direction over time. A car can move at a constant speed around a curve, but it is still accel...

www.reference.com/article/ways-acceleration-speed-different-53ae057a68972968

Acceleration shows the changes in the magnitude and direction of velocity. It is a vector with a standard unit of meters per second squared.

www.reference.com/article/relationship-between-acceleration-velocity-ba0ce44b19f5a6d5

Acceleration is any change in the speed or the direction of movement. It does not matter, from a scientific point of view, if only the direction changes but not the speed, as with a planet in a circular orbit, or if the ...

www.reference.com/science/acceleration-654f56cb81bd93bc

The general formula for finding speed is x = d / t, where "x" denotes the speed, "d" indicates the distance traveled and "t" represents the time it takes to cover "d." Speed is a scalar quantity that is entirely defined ...

www.reference.com/article/formula-finding-speed-998b74a0f38f39e7

Because velocity is the rate of motion of an object in a specific direction, either an increase or decrease in the object's speed or a change in its direction of travel causes its velocity to change. This change in veloc...

www.reference.com/article/velocity-changing-6baffee1f88c653a

The rate of change in velocity is called acceleration. In the study of mechanics, acceleration is computed as it relates to time with a final unit of distance over time squared.

www.reference.com/science/rate-change-velocity-dcd23698b7ae7eb8

In science, speed is defined as the total distance traveled divided by the total time it took to travel that particular distance. Speed is dependent on the amount of time that it takes a person or object to move toward s...

www.reference.com/science/speed-science-30bda874cce72019