You're missing some information! To calculate speed, we need to know how far the paper airplane traveled.

Here's the formula for speed:

Speed = Distance / Time

* Distance: How far the airplane traveled (in meters)

* Time: The time it took to travel that distance (in seconds)

Example:

Let's say the paper airplane traveled 12 meters in 6 seconds:

* Speed = 12 meters / 6 seconds = 2 meters per second

Please provide the distance the paper airplane traveled, and I can calculate its speed for you!