Relier Pairs Speed and velocity (D)Version en ligne Speed and velocity par Christopher Tamez 1 The SI unit of speed is 2 Velocity is 3 3 km north is an example of 4 An Acceleration is an 5 Speed is 6 An example of vector: 7 An example of scalar: 8 3 km is an example of 9 Displacement is distance displacement divided by time taken m/s a change in an objects position. distance covered divided by time taken velocity displacement speed Any change in speed! Which means it could be an increase or a decrease in speed.