looks good, what you need now is to duplicate that small batch and make longer ones (maybe a medium and a large size verion) and put them all together. In star trek, there is usually 3-4 different length streaks in the one warp effect which gives it the illusion of moving very fast.
That's really easy to pull off, just create a smaller amount of particles with the emitter object and simply clone it twice and assign the different length streaks to each of those emitters.
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