Aerial View Over Viaduct Crossroad, Double Speed

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*FYI: this is just 480p preview, original downloadable file is 1080p (or 4K) and has 5x greater quality (bitrate).

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Aerial HD High Quality footage from steady drone camera.


In everyday use and in kinematics, the speed of an object is the magnitude of the change of its position; it is thus a scalar quantity. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.

Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used.

The fastest possible speed at which energy or information can travel, according to special relativity, is the speed of light in a vacuum c = 299792458 metres per second (approximately 1079000000 km/h or 671000000 mph). Matter cannot quite reach the speed of light, as this would require an infinite amount of energy. In relativity physics, the concept of rapidity replaces the classical idea of speed.

Keywords

drone aerials helicopter helicopter flight phantom air camera hd high higher flight fly flying move moving panorama view over town city road way path car cars auto automobile passing pass ride riding forest wood tree trees viaduct flyover crossroad double speed


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