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