Dash - a better way?

Over the weekend I put together a simple script to try and simulate a quick burst of speed for an avatar's movement. For a visualization, compare it to the dash technique from the mega man games. When commanded the script pushes the avatar wearing it and plays a little animation override. By iteslf, this little toy works quite well... that is, on level ground.

If I come to a slight upward slope or bumb, I am stopped dead in my tracks. Conversly, if I try to dash down a slight slope, I fly off it and usually end up face-planting myself. I realize why this happens because of the nature of how the push works... so my question of the scripting community is this;

Is there a better way to to this? Is there a way to give my avatar a burst of speed that will still enable him to follow the contour of the land? Or at least a way to stop him from getting stuck in place by "getting up" after face-planting?

If possible, a way in which would not require caging myself or getting on an invisible vehicle...

If they'll always be on the ground, llGroundSlope() might be useful. On arbitrary prims, though, nothing "leaps" to mind.

edit: no clue if this would work, but... perhaps rez a wedge-shaped physical prim in front of the avatar first and push it, having it report its path, for directions to push the avatar?

I'm working on a similar concept for maneuvering, non-flight "jump jets" for a robot av. I'm still in the process of getting the whole thing ironed out but I was able to get around the uphill/rough terrain issue by applying a slight amount of push upwards as well as in the direction you want to go. That way you're technically gliding slightly above ground which would lessen any resistance from minor bumps and inclines of the terrain you're on.

It's not perfect but welcome to SL!

I think is possible because I buy a hud called homni phase and do exactly that type of aceleration you whant, even pass wall