import matplotlib.pyplot as plt
g = 9.8
m = 60.5
c = 0

v_ini = 0
t_ini = 0
t_list = list()
v_list = list()

t_list.append(t_ini)
v_list.append(v_ini)

for i in range(1,20):
    t_new = i
    t_list.append(t_new)
    v_new = v_ini + (g - ((c/m)*v_ini))*(t_new - t_ini)
    v_list.append(v_new)
    t_ini = t_new
    v_ini = v_new
    print(v_new)
    
plt.plot(t_list, v_list, 'b')
plt.plot(t_list, v_list, 'ro')
plt.show()