Here is where ViewerFrame Mode becomes critical. Complex motion (like a bouncing ball or a swinging sword) requires . The ball hangs in the air (slow motion) for 4 frames, then snaps down (fast motion) for 2 frames.
Whether you are animating a bouncing coffee cup or a starship battle, remember: The audience feels the motion; they don't see the frames. But you, the creator, must live inside the viewerframe to make that magic happen. viewerframe mode motion work
By isolating the specific moment (ViewerFrame) and surgically altering the forces acting upon your object (Motion Work), you graduate from a "keyframe pusher" to a motion artist. Here is where ViewerFrame Mode becomes critical