17. In the \(xy\)-plane, a particle moves along the curve defined by the equation \( y = 2x^4 - x \) with a constant speed of 20 units per second.
If \( \frac{dy}{dt} > 0 \), what is the value of \( \frac{dx}{dt} \) when the particle is at the point \( (1, 1) \)?
