150 AIP is a bit high for an ST hack
I like 70 or so (net reduction) as a good level for doing-very-well at an ST hack on serious difficulty (70 could be achieved on 10/10 with extreme effort and, sometimes, a nuke). But yes, the numbers I gave are still too extreme for 70. Maybe numbers more like +1 AIP per second during the hack (instead of every 5), X/10 minutes for a final reduction of X/5. So for 70 net reduction that would be:
- hack for 5 minutes and 50 seconds, bringing AIP up 350
- survive inflated AIP for 35 minutes
- net AIP change = -70
Perhaps that's actually too forgiving, I dunno, but the pain amplification controls would be readily available