Question 3 of 3 - f 5 E A model for the vertical ight of a projectile launched from earth from the ground with velocity 'v' in the absence of air resistance is d2 z git2 drl (R+z)3' {i} From what single term in this equation can you infer the order of the equation? (ii) is this differential equation linear or nonlinear? v (iiii Which of these initial conditions complete the description ofthis situation? Select all that apply. 0 2(0) 2 0 Cl z(0) = R