2023 Pascal Problem 13

On February 1, it was 16.2^\circ\text{C} outside Jacinta's house at 3:00 p.m. On February 2, it was -3.6^\circ\text{C} outside Jacinta's house at 2:00 a.m. If the temperature changed at a constant rate between these times, the rate at which the temperature decreased was

\textbf{(A)}\ 1.1^\circ\text{C/h}\quad \textbf{(B)}\ 1.8^\circ\text{C/h}\quad \textbf{(C)}\ 2.2^\circ\text{C/h}\quad \textbf{(D)}\ 3.6^\circ\text{C/h}\quad \textbf{(E)}\ 4.4^\circ\text{C/h}

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Pascal contests here.