Two Objects Are Dropped from a Bridge, an Interval of 1.0

Multiple Choice

Two objects are dropped from a bridge, an interval of 1.0 s apart. Air resistance is negligible. During the time that both objects continue to fall, their separation

A) stays constant.
B) increases at first, but then stays constant.
C) decreases.
D) decreases at first, but then stays constant.
E) increases.