There was the idea of making more types of ships, like with double life, but I didn’t have time to think about it in more details. The initial animation and a few bugfixes took away from me the last few hours.
The speed of the game is intentional, it recalls the original game and it helps to study new tactics (I thought). Your observation is not wrong anyway, perhaps not smoother but a little more speed wouldn’t be bad.
Thanks for your feedback and time.