The green pyramid UFO looks like bokeh, out-of-focus plane lights. But how fast is it going, and is that speed consistent with a plane?
Calculating speed in videos without reference points requires you know the angular field of view and either the size or the distance of the object. Since it's out of focus we can't tell the size, but we can estimate the distance using the average of air traffic in the area to see if the calculated speed matches that air traffic.
And it does.
