Pixel art isn't about looking pixel-y. Many pixel artists go to great lengths to disguise the pixel look. Some of the recently popular styles that make the pixel nature of the work very noticeable are just that - styles. Pixel art is much more than that.
Like others have mentioned, there's lots of discussion about what constitutes "pixel art", but I see it as pixel-level care throughout. Your piece is clean on the pixel level, every pixel serves a purpose, so I'd call it pixel art.
I agree about the issues others have pointed out.
Also, it looks strange that the piece has a smoother framerate when the bag is flying. I think I know why you did it, but it makes the choppy animation elsewhere look choppier in comparison.