_label="Friction" _low-label="Clay" _high-label="Rubber"
low="0.2" high="1.0" default="0.97"/>
- <number id="speed" type="slider" arg="-delay %"
+ <number id="delay" type="slider" arg="-delay %"
_label="Speed" _low-label="Slow" _high-label="Fast"
low="0" high="100000" default="10000"
convert="invert"/>