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==Key Stage 3==
===Meaning===
:<math>Speed = {\tfrac{distance}{time}} </math> is an equation which can be used to calculate the [[speed]] of an [[object]] given the [[distance]] traveled and the [[time]] taken to travel that [[distance]].
===About Speed=Distance/Time===
: The [[unit]]s of [[speed]] are given by the [[unit]]s of [[distance]] used and the [[unit]]s of [[time]] used in the calculation.
:<math>Speed = {\tfrac{distance}{time}} </math>:<math>Speed = {\tfrac{metres}{seconds}} </math>:<math>Speed = {\tfrac{m}{s}} </math>:<math>Speed = m/s = metres per second </math>