Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
289 frames in 5.0 seconds = 57.752 FPS
300 frames in 5.0 seconds = 59.819 FPS
300 frames in 5.0 seconds = 59.820 FPS
300 frames in 5.0 seconds = 59.818 FPS
300 frames in 5.0 seconds = 59.819 FPS