(Solved) : Anyone Could Explain Matlab Code Step Step Clearly Thanks Advance D9 M 117142 Nm R 03515 M Q27590290 . . . .

Anyone could explain thismatlab code step by step clearly?? thanksin advance!

%% D9

M = 1171.42; % Nm
r = 0.3515; % m
C = 0.24;
A = 2.4; % m^2
rho = 1.29; % kg/m^3

F_motor = @(v) 4*M / r;
F_luft = @(v) -C*rho*A*v.^2 ./ 2;
F = @(v) F_motor(v) + F_luft(v);

%% D10

m = 2107.98; % kg
M = 1171.42; % Nm
r = 0.3515; % m
C = 0.24;
A = 2.4; % m^2
rho = 1.29; % kg/m^3

F_motor = @(v) 4*M / r;
F_luft = @(v) -C*rho*A*v.^2 ./ 2;
F = @(v) F_motor(v) + F_luft(v);

a = @(t, v) F(v) ./ m;

[t v] = ode45(a, [0 3], 0);
[~,i] = min(abs(t-3));
fprintf(‘Maximalt v efter 3-sek: