I assume you're attempting the stun combos then? You have two different versions of the rapid A to be doing. There is one version where you are hitting with the hands then the finisher and the other version you are required to hit only with the finisher.
If you are doing
then you need to cancel the second hit of the hands into the finisher. I start pressing the buttons after I see the second hit of the
and it comes out really well. This version of hands you need to press the rapid A four times then cancel the second hit (I think its a just frame to retain the juggle potential but don't hold me to that, I could just be crap at doing it this way). If you are pressing the AAAA and after the two hits doing the finisher then you must dc the finisher into golden heel (unless its at the very end of the stun combo, check the video). The hands after the golden heel you do differently, this one you do NOT want to hit with any of the punches of hands, only the finisher. You do this one as AAAqcb+A and the link is pretty tight. Hitting with just the finisher lets you retain juggle (it could be that the juggle only works for a certain amount of time during their falling through the air after being hit but its tantamount to the same problem) to do another
+B and then you do the AAAA,
+A version to again dc. Getting the AAAqcb+A off the heel you can start just as he's about to land and get it out.
These combos you need to keep a track of which version you need based on what moves you're coming into the rapid A from.
So the combo would be something like j.D s.D f.B BD, AAAA(2 hits) A dc B , AAA A , B , AAAA (2hits) A dc <stuff>
Hope this helps you a bit. If not I hope someone finds it useful.