Thanks guys! They have the same acceleration so the change in magnitude of velocity must be the same at any given time. It's just this is a question from an admission test and I find it unsettling that the machine will mark one correct and the other wrong...
Here is an unsettling question from a practice set that I've been working on today. Unsettling because the answer key contradicts my answer so I need a second thought.
A pingpong ball and a golf ball are dropped in a vacuum chamber from the same height and at the same time. When they have...