Vector expression derivatives At a certain time instant, the vector á(t) has å= -3î – 2îm å = 5* + 29 m/s. Matlab Mathematica Python R Sympy from sympy import * a = Matrix([-3, -2, 0]) aDot = Matrix([5, 2, 0]) copy this text At this same instant of time, what is å(t) · âlt)? ả(t) - â(t) = -19 x 0% m/s