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