I would not worry too much about the shadow, there are lots of variables involved, the position of the light source, distances and angles.
For a made-up situation it might go like this: https://youtu.be/rb_8VJrsb84 duration 1' 40"
For a made-up situation it might go like this: https://youtu.be/rb_8VJrsb84 duration 1' 40"