INI trajectory settings and how they affect each other

I’m no pro at servo tuning, in the past as long as the machine has reasonable following error and was accurate, it was good enuff. That being said, years ago I retro’d a Cinci Lathe, kept the original Siemens 610 drives and motors ( I am a member of the international Siemens hater group). I could never get the axis moving sharp, they accell and decel “ spongy”. In particular, after hitting feed hold, they don’t quickly stop. It has occurred to me this is probably a tuning issue. At the top of an ini file there is max_velocity, max_acelleration, they also appear again under each axis or joint. Which takes presidence ? Increasing the acceleration seems to get some of the sponge out, there is a limit to how much over max velocity. How do each one of these affect each other? Right now I have a ferroer of .008 and a min ferror of .001. Not great. Where is the sloppy soft deceleration coming from, what factors effect it?