Unity 3D Particle System Snow effect

Within unity 3D, Im building a 2d runner within which I have created a particle system that emits snow like particles from a single location at the top right corner of the main camera off screen.

I attached the particle emitter to the main camera so theres always snow like particles on screen, however, as the speed of the main camera increases, so does the speed of the particle emitter, which eventually starts emitting particles off screen.

How can I change the settings of the emitter so that the speed of the emitter does not affect the direction of the particles. Lastly for more details, I have set the shape of the emitter to be a cone, and the simulation space to be world. Any help would be much appreciated