I guess you need to make your own simulation node to replace the factory one and output deltaTime parameter which is directly influences on simulation time. I have builded something like that a while ago and there are possible some glitches with usage of SimulateFrameFraction attribute, but for my purposes it was enough. Maybe it can help - just plug it instead of Simulate particles node. -Oleg
Simulate Particles Advansed.xsicompound
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