Sketch 1 -> 2 was an edit to the shuttlecock so that it was facing down, as if it were falling!
Sketch 2 -> 3 was me pushing the pose a little further, with success! :3
Shaded 2 -> 3 was me adding some motion blue to the shuttlecock to help add some depth of field and add some extra motion to the piece.
Shaded 3 -> 4 was adjusting the grip on the handle of the badminton racket. :3