This mission was flown using Dronelink and automatically updated Airdata UAV. I have no idea how it came up with this speed.
The most likely cause would be a poor GPS fix initially with a good GPS fix immediately after.I have no idea how it came up with this speed.
The most likely cause would be a poor GPS fix initially with a good GPS fix immediately after.
The drone could have even been still on the ground at the time.
Your actual flight data would confirm if this was what happened.