derive v(y) = v0 * (1-(y/t).^4).^2 in matlab

main.m
function v = velocity(y, v0, t)
% Calculates velocity v(y) as a function of height y
% v0 is the initial velocity
% t is the time taken to reach the maximum height

v = v0 * (1 - (y/t).^4).^2;
end
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main.m
% Calculate velocity at a height of 10 meters with initial velocity 20 m/s, and time taken to reach the maximum height 2 seconds
v = velocity(10, 20, 2)
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