A particle moves such that x(t)=∫0tcos(u2)dux(t) = \int_0^t \cos(u^2) dux(t)=∫0tcos(u2)du and y(t)=∫0tsin(u2)duy(t) = \int_0^t \sin(u^2) duy(t)=∫0tsin(u2)du. Find the speed v(t)v(t)v(t).
111
ttt
t2t^2t2
2\sqrt{2}2