A car travels at a speed of 70 mph70\text{ mph}70 mph (miles per hour).
1 mph=0.45 m/s1\text{ mph} = 0.45\text{ m/s}1 mph=0.45 m/s.
Convert 70 mph70\text{ mph}70 mph into m/s\text{m/s}m/s (metres per second).
0.45 m/s0.45\text{ m/s}0.45 m/s
31.5 m/s31.5\text{ m/s}31.5 m/s
70.45 m/s70.45\text{ m/s}70.45 m/s
155.6 m/s155.6\text{ m/s}155.6 m/s