For motion in a straight line with constant acceleration, we can use the SUVAT equations of motion:
These have exact equivalents for motion in a circle with constant angular acceleration. In these equations,and
We can derive the circular equations of motion from the linear equations of motion
Substitute
Divide byto give
Substitute
Now divide by r^2 to give
Substitute
Now divide by r to give
Substitute
Now divide through byto give