Niagara Fluid : Grid 2D SW Drop (template) : How to delay the start of the simulation?

Development Asset Creation FX
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1

About Grid 2D SW Drop, which is a Niagara Fluid template(Shallow Water category)

This template is a simulation of water dripping.
I want to shift the start timing of the simulation backwards, at first it is quiet and after a little while the water drops fall and ripple.
Is there any way to control the timing?

Thanks.

■Tried
I tried Delay for Lifetime in the system but it did not change.

■UE version
・Windows10
・UnrealEngine5.1

2

I have a simple solution to this problem on the sequencer.

It is simple: just play first the Niagara Fluid without Sim, then the Niagara Fluid with Sim on the sequencer.

This is not the root of the problem.
Please let me know if you have a better solution.