Why is my rocket flame effect jittery?

I am making a flame particle effect for my rocket engine, but when I set the simulation space to world the effect “lagged” behind the rocket as intended; however, it sort of jitters and doesn’t leave a smooth consistent path like before. I can get around this by slowing down the simulation speed or particle speed and shortening the lifetime, but I don’t want to do that because then the flame isn’t coming out fast enough. Is there any way of getting around this?
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Try enabling interpolation on your rockets rigidbody.

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@MUG806 Thank you! It works beautifully now!!