SAT Inferences Question

The near-Earth asteroid Atira is orbited by the moonlet $\frac{S}{2017}(163693)$. In 2022 scientists studying asteroid deflection intentionally crashed a probe into a similar moonlet, Dimorphos, shortening its orbital period by 32 minutes. <u>________</u> it used to take Dimorphos 11 hours, 55 minutes to orbit the near-Earth asteroid Didymos; now it takes 11 hours, 23 minutes. Which choice completes the text with the most logical transition?