Answer:
75m/s= speed
distance travelled per unit time = speed
40km/h = speed
100 mi/h south = velocity.
15m/s^2 = acceleration
speed and direction = velocity
A boy walking 50 m/min north = velocity
speeding up on the freeway = speed
A baseball travelling 90 mi/h towards home plate = velocity
Turning left to a stop sign = velocity
A dog running 15 km/s = speed
slowing down at the red light = acceleration.
