Speed

Speed, abbreviated as s, is the rate of change or distance with time.  Speed is a scalar quantity having no direction.  Speed is not velocity, they do not mean the same thing.

 

speed formula
\(\large{ s = \frac{ d }{ t }   }\)
Symbol	English	Metric
\(\large{ s }\) = speed	\(\large{\frac{ft}{sec}}\)	\(\large{\frac{m}{s}}\)
\(\large{ d }\) = distance	\(\large{ ft }\)	\(\large{ m}\)
\(\large{ t }\) = time	\(\large{ sec }\)	\(\large{ s }\)