I could be rude but I'll explain it. Due to the planes height over the mountain, it seems to be moving slowly. If you look up at a plane in the sky, it seems to be moving only as fast as a car, when in fact it is travelling thousands of times faster. As you can see, this is a very short loop
I know that wasn't my comment you replied to but thank you for being civil, it's really annoying when someone asks a question and someone decides to be a sarcastic shitlord when the asker doesn't know something.
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