# Application Lab: Estimating height and speed of airplanes

- Author:
- GenF10

How to find out the travel distance and speed?
1. Set the height of the plane
2. Set the height of the ruler
3. Drag point to the plane position you filmed
2 seconds after it was above you.
4.

**d_plane**gives you the travel distance. 5. Look up the time between the two positions and you can calculate the plane's speed.## New Resources

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