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The definition of speed is \(\text{Speed} = \frac{\text{Distance Travelled}}{\text{Time Taken}}\). So, to calculate the speed, you measure the distance an object has travelled, and divide it by the time required for the object to travel that distance.
If Jerry is driving a car and he travels \(50 \, \mathrm{metres}\) in \(10 \, \mathrm{seconds}\), what is his speed?

\(5\) metres per second

\(500\) metres per second

\(0.5\) metres per second

\(50\) metres per second