Answer:
Option A: object B has a higher velocity.
Option B: object B is lighter than object A.
Step-by-step explanation:
Hello,
By considering the mathematical expression for the kinetic energy:

As the two objects have the same kinetic energy, there are two possibilities for you to infer:
Option A: object B has a higher velocity.
Option B: object B is lighter than object A.
Both of them are suitable as the formula gives us those two arguments.
Best regards.