where <math>\bar{v}</math> is the average velocity and <math>x_i</math> and <math>x_f</math> are the initial and final positions and <math>t_i</math> and <math>t_f</math> are the initial and final times<ref>http://theory.uwinnipeg.ca/physics/onedim/node3.html</ref>.
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where <math>\bar{v}</math> is the average velocity and <math>x_i</math> and <math>x_f</math> are the initial and final positions and <math>t_i</math> and <math>t_f</math> are the initial and final times<ref>University of Winnipeg, ''IUN/FYDE Introductory Physics Notes, Motion in One Dimension, Average Velocity'' [http://theory.uwinnipeg.ca/physics/onedim/node3.html]</ref>.