Second Life Physics Scripting - Pinball #3

The ball kept getting stuck, and I was looking for clever ways to keep it from getting stuck. This is what I tried as a script within the ball itself.

    float movemax = 0.002;

    default
    {
      state_entry()
      {
        llSetTimerEvent(1.0); // generate a timer event every 1 second
      }
       
      timer()
      {
        vector ra = ;
        //llOwnerSay("ball moving "+(string)ra);
        //llOwnerSay("ball moving mag "+(string)llVecMag(ra));
        // give the ball a little wiggle
        llPushObject(llGetKey(), ra, <0,0,0>, FALSE);       
      }
    } 

A simple timer and an added small push no matter if it needs it or not. This worked well for the steeper grade, but it still gets stuck on the machine with the "curved" slope (two planes one steeper than the other). It keeps getting stuck in the angle between the two planes. I either need to check the velocity every second and give it a bigger push if it is lower than some amount, or place some sort of accelerator in the area of the change in angle. It'll probably need to be some sort of combo between the two because I think I'll need the accelerator to make the game more interesting since the ball seems to have lost a lot of momentum once it reaches the "curve".