%constants
t_buck = 0.5; % s
t_impact = 0.5; % s
g = 32; %ft/s^2

%inputs
m_input = 100      ; % lb
m = m_input/g   ; % mass

h_input = 15.5       ;  % hands
h = (h_input*4)/12 ; % feet

F_buck = 15    ;  % lb

v_x = 0    ; % ft/s


% calculations

h_2 = ((F_buck * t_buck)/m)^2 / (2 * g) % ft

d = h + h_2; % ft

v_y = sqrt(2*g*d) % ft/s

v = sqrt( (v_x^2) + (v_y^2) ) % ft/s

F_impact = (m/t_impact)*v % lb