Which of the following options, which describe the dependence of drift velocity vd​​ on electric field E, obeys Ohm's law?

vd​ ​∝ E2  vd​ ​∝ E vd​​ ​∝ E1/2   vd​​ ​∝ E-1

vd​ ​∝ E

using ohm's law, n×vd​×A×q = ρE×A​ where symbols have their usual meanings