Work on developing velocity. Never stop trying to improve. But unless you’re throwing at a jaw dropping velocity learn how to pitch. Work on command. Work on the mental side of pitching. If you work to optimize these aspects of pitching you will find your place in the game.
Theres a lot involved with whether someone becomes a major conference D1 pitcher versus D3. But the most important thing is elevate yourself to be the best you can be. Ultimately you want to have a positive college baseball experience. When a friend’s son was in a dogpile after winning the D3 World Series he didn’t look any less happy than D1 players.