When the slot inlet Angle decreases from the optimal point, the accelerating effect of slot is reduced due to less differential static pressure, thus the effect of jet would also be reduced.

当槽道进气角较小时，由于槽道进出口两端静压差减小，槽道对气流的加速作用下降，射流的作用效果也将降低。

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University of Michigan astronomy professor Hugh Aller, who worked on the project, told Reuters news agency that the process of accelerating the material to nearly the speed of light was similar to what happened in a jet engine.

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