I had need to temporarily have the multiplier for external forces dip into the negative before going back up, however neither the particle system interface nor the unity animator would let me set a value lower than 0. I initially assumed there may be calculation-related reasons, such as square roots, but enabling debug mode allowed me to set the value to negative which then worked as expected. Why then is this ability blocked? I believe I should be able to set a negative value if I so choose.
Besides that, I think the module could clarify better that it’s per particle and not for the whole system.