Rather than recede into the distance, these particles are actually shrinking as they slow down.
Scales the size of a particle by a portion of its speed. It contains the following member(s):
This is used to set the scale amount in the X and Y axes for the sprite.
Provides a maximum scale size, functioning like a clamp.
During both Spawn and Update, the Particle.Size value is multiplied by the retrieved scale value times the velocity of the particle at that time.