Thread 'How to find route if we only know velocity (without having common formulation)?' Hi there! I invented the problem and I try to resolve it: Let we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. Customization: Knowing that each business enterprise has distinctive packaging wants, Gabletop https://gabletoppak.com/bioplastics-greenwashing-or-genuine-solution-the-truth-behind-the-hype/