why does ıt appear that the sun sets faster and faster the closer ıt gets to the horızon?
ın other words, throughout the day the sun appears to be movıng relatıvely slowly across the sky eg around noon. (of course ıt ıs just the appearance of movement as a result of the rotatıon of the earth) . but then ıt appears to hasten and dıp quıcker and quıcker as ıt sets
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Because the relative rate of change of distance to the horizon increases, making it more noticable. Actually, the image of the sun *slows* as it approaches the horizon due to atmospheric refraction, which delays its setting.
My asumption would be that it appears to move faster because when you have the horizon closer you can guage the distance reamaining between the sun and horizon better. I am giving an uneducated answer, but I would say its a matter of perspective. I am sure that the atmosphere has something to do with it as well but if it does I wouldnt know how to explain.
I'd go with "perspective". But why don't you just measure it tomorrow? Take a reading of the sun's angle every hour...