Reminds me of a wall clock in my high school physics class that would struggle to pass 5 o'clock and ticked backwards and forwards a few times on its rotation t

Reminds me of a wall clock in my high school physics class that would struggle to pass 5 o'clock and ticked backwards and forwards a few times on its rotation through each minute, despite keeping good time. Its struggle through each minute reflected my own struggle through each minute in that class, however.