A particle moves with velocity v(t)=∫0te−u2duv(t) = \int_0^t e^{-u^2} duv(t)=∫0te−u2du. What is the acceleration a(t)a(t)a(t) at t=1t=1t=1?
e−1e^{-1}e−1
111
eee
e−1/2e^{-1/2}e−1/2