Velocity
What is it?
Velocity means speed - or the distance an object travels divided by the time it took to make the trip. Velocity may change over the course of a journey, and therefore may be calculated for a particular portion of a journey or for any specific point in the journey.
Give me an example!
Have you ever watched the speedometer of a car while driving in traffic? The needle is constantly in motion to indicate that the car is speeding up and slowing down, or changing its velocity. What's more, you can use the speedometer reading to determine the car's velocity at any given point in the trip.
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