Basket good or Not

[Jim Armstrong]

I have brain lock, someone help me out. JV game.
Sitch: A1 releases the ball on a try, while the ball is in
flight, A2 under the basket, fouls (displaces) B2 in trying to get position for the possible rebound. The ball goes in.
Is the shot good, and then administer the foul against A2?
Or shot no good. The ball was clearly in flight before the foul.