#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;

int main ()
{

    double c = 12, g = 10, m = 0, h;
    double v;
    int j = 0;
    double V[4] = {70, 0, 0, 0};

    cout << "Digite a sua massa: ";
    cin >> m;

    v = g - ((c / m) * V[j]);
    h = V[j+1] - V[j];

    for (j = 1; j < 4; j++)
        V[j] = V[j-1] + h * v;

    for ( j = 0; j < 4; j++)
        cout << "V[" << j << "]\t" << V[j] << "\n";

    system("pause");
    return 0;

}