Speedometer in expressions

[kastor]

hey guys!

i have an object (a car) that move in 2 directions (x,z)
how i can calculate the speed of this object as math. function?
what expression syntax i have to use?
and
is it possible to use speedometer value in an expression?

hope anyone would help
thanx in advance

[bakasaru]

This may help:
LW Expressions (http://www.newtek.com/products/lightwave/tutorials/animation/copter/partVII.html)

[kastor]

yep..great tutorial
i made it before but don't remember if it mentions something about the speed
anyway, i'll take a look again
thanx a lot for your fast reply, bakasaru