Thread 'How to define path if we only know velocity (with no widespread formulas)?' Hi there! I invented the issue And that i test to resolve it: Let we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. Available in 3 normal sizes of 300ml,500ml and 1000ml, shoppers https://gabletoppak.com/free-water-campaign/