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