Speed Calculator

You have a lightening fast machines? or a weapon that may fire faster than sound?
but you think aw.. how am I gonna know the numbers that represent my machine's moving speed :(

Worry not!
Speed Calculator by trion129 and zardOz is here!
Just pass it from the lasers and get the speed instantly! Works in both directions and as many times!
Everything uses only 1 layer so you won't have any fuzzle of "but my tires are in layer 3!!")
your machine too big? the lasers can be extended to infinite height!
Speed is always visible on screen because of numfeeds instead of pesky displays!
A ramp to get to the detecter's height smoothly!
Everything can be multiselected in just 1 click and teleported to your world!!
What are you waiting for? Get it NOW! for $0.0 only*
*Terms and Conditions Apply

Changelog
*whew... finally you can record speed multiple times.. so line up your vehicles now!!
*added a fun dummy.... -_- why I did that I don't know
*taking one full step of robot as 1 m now. Precision increased!! As now max detectable speed is 1200km/hr but still 24 less than speed of sound :(
*units changed from m/s to km/hr
*now the speed will pop up instead of decreasing in front of you.. that caused depression