# The key facts for using the kinetics formula: speed = distance ÷ time

The kinetics formula is very important and will keep returning in questions in the new GCSE maths syllabus, so it is crucial that you learn this formula and have a good understanding of how it can be used.

The following equation explains the relationship between speed, distance and time.

## Speed = distance ÷ time

• Speed is the rate of movement of an object.

• If an object starts to move at a faster rate then it will cover more distance in a shorter amount of time

To work out the speed of an object you must first have the following information:

• The distance travelled

• How much time was taken to travel that distance

Speed, distance and time are each measured differently

• Speed is measured in metres per second, m/s

• Distance is measured in metre, m

• Time is measured in seconds, s

Below is an example to show how the kinetics formula is used in a question:

A person runs 100 meters in 10 seconds

• Speed = distance/time

• Speed = 200m/20s

• Speed = 10m/s

The relationship between speed, distance and time is deeply rooted in both maths and science. The kinetics formula is a key piece of information that you’ll have to learn in preparation for your examinations. If you haven’t already checked out our song on ‘Speed’ then have a listen now!

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