The nature of perspective is that speed is perceived to be greater the closer something is, and the greater magnitude of the component moving laterally to you.
The dots that reach the edge of the image, have a larger lateral component of velocity, and so appear to move faster.
The nature of perspective is that speed is perceived to be greater the closer something is, and the greater magnitude of the component moving laterally to you.
The dots that reach the edge of the image, have a larger lateral component of velocity, and so appear to move faster.