4 ms·
If it was fast, it might be a meteor fracturing, and the fractured parts slowing down very quickly. It's hard to judge directions and speeds accurately against
by user-the-name 6y ago
If it was fast, it might be a meteor fracturing, and the fractured parts slowing down very quickly. It's hard to judge directions and speeds accurately against an empty blue sky, so a sudden change in velocity could easily be misinterpreted.