3 throws per second is the rate of action required to perform juggling literally. The implication is that communicating between the miss that causes the fall an

3 throws per second is the rate of action required to perform juggling literally. The implication is that communicating between the miss that causes the fall and the event of dropping the ball must happen in less than 1 second. Translating back to the metaphor, communicating that the ball is being dropped before it hits the ground is a task as hard as the juggling itself.