You have failed to provide this proof. You keep misunderstanding that in order to have committed a felony you have to be tried and found guilty. You are not guilty until proven. Does this help you a little?
Of course I have, watch, I'll prove it your premise is false with a simple yes or no.
I murder you.
I go on trial and I am acquitted.
But I did it, I was the one who murdered you.
And murder is a felony.
So, did I commit a felony, even though I was acquitted of the crime?
And the answer is YES, I committed felony murder.
And it I committed a felony I am still a felon.
Conviction has nothing whatsoever to do with it.
Check out the legal definition of Fleeing Felon. A felon in that case only need be determined by suspicion of committing a felony. Not arrest, not conviction.