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Speed
It is calculated by the formula: d/t=s
Speed is the distance travels in unity of time
Distance Time Graph
The straight line is constant speed
A flat line is a stop in motion
After a stop, start over in counting time & distance
Velocity
Velocity is the speed of an object in a given direction.
It is calculated by the formula: d/t=s and then given direction
Acceleration
Acceleration is a change in speed or velocity
It is calculated by the formula: ending velocity-beginning velocity/time
Formula for distance
d=s x t
Formula for time
t= d/s