Shuriken Particles Error / Bug

I am using the shuriken particle system unity has to offer. I am noticing a strange error where the particles i am emitting once the prewarm is over and it begins its loop again there is a larger gap between the particles than usual. See Image Below (White see through plane's are the particles in question)

This gap only occurs at the end of the prewarm loop and never appears again but i cant find anything that will stop this from occuring. Any suggestions? alt text