Following figure explains the mathematical model of a physical problem(parachute's velocity in atmosphere) and its solution. V:velocity, ttime, ggravity, cdrag coefficient, m:mass, Attime interval. F = ma 1-? dy dt 2-? 4-? 5-? gm VE (1 - e-Com) 3-? Which following one is TRUE? O A) 3-Analytical solution OB) 4-Partial differantial equation(Mathematical model) OC) 2-Physical law OD) 5-Numerical solution O E) 1-Ordinary differantial equation (Mathematical model)