Thread 'How to find route if we only know velocity (without having common formulation)?' Hi there! I invented the condition and I check out to resolve it: Enable we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. There appears to be no technique for simplifying or rearranging https://gabletoppak.com/why-i-switched-to-water-in-a-sustainable-box/