This is just code but not a picture.(to copy and paste) :)
alpha=25;
theta=30;
g = 9.81;
b=5;
v_0=20;
%v_x and v_y = constant
%v_x = v_0*sin(theta)cos(alpha)
%v_y = v_0*sin(theta)sin(theta)
v_x = 8.39;
v_y = 3.475;
%Initial bounce = v_0*cosQ = 20*cos30 = 17.82
%v_z depreciates by 80% after every bounce
v_z = [17.82 14.256 11.405 9.124 7.299];
%time between each bounce t_b = (2*v_z)/g
t = [3.633 2.91 2.33 1.86 1.488];
%Distances (to be plotted)
x = v_x*t;
y = v_y*t;
z=v_z*t - 0.5*g*t^2;