it's speed up video
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The sound seems normal since it is picked up many meters high. Now it also seems to me that the video is accelerating
The drones are very noisy and yet the audio is clean. There are four propellers spinning not very far from the camera.
another one with Latvala at snow
https://youtu.be/BWTM1mQcXyY
https://pbs.twimg.com/media/C0EbD8rWgAI4Hmj.jpg
best looking by far imho
https://scontent-frt3-1.xx.fbcdn.net...c0&oe=58EF03EF