Speedometre (Basic) V. 3

Use:
Grapher 1: First Time
Grapher 2: Second Time
Grapher 3:
1 is Speed Up
0.50 is Constant Speed
0 is Braking

These values ​​indicate whether the object is accelerating, braking or constant speed. To work, the object must pass through the three sensors.

Note:
You have got a Rocket Launcher, use it.