Original
The average velocity on the interval {{MATH_110}}, for {{MATH_111}} is
{{MATH_112}}
Notice that this is exactly the same expression we got when calculating
the average velocity on the interval {{MATH_113}} for {{MATH_114}}.
The average velocity on the interval {{MATH_115}}, for {{MATH_116}}, is given by
{{MATH_117}}
{{CMD_118}}
{{CMD_119}}