Time 720m 3m per sec. Notice that the unit for speed in science is metres per second ms. Speed is a very common concept in motion which is all about how slow or fast any object travel.
Besides this can be understood in a better sense by seeing it in formula form.
To measure speed in the. Time 720m 3m per sec. To find distance speed is beside time so distance is speed multiplied by time. Like distance speed is also a scalar quantity as it does not refer to direction.