**An object moves along the x-axis so that its position at any time t ≥ 0 is given by x(t) = s(t). Find the velocity of the object as a function of t. s = t cos (π - 4t)**

**Answer:**

**An object moves along the x-axis so that its position at any time t ≥ 0 is given by x(t) = s(t). Find the velocity of the object as a function of t. s = t cos (π - 4t)**

**Answer:**