Answer: The distance between the two objects in 10 years will be 250 kilometers.
Step-by-step explanation:
We are given:
The rate at which two objects drift apart in 1 year = 25 km
To calculate the distance between the two objects in 10 years, we apply unitary method:
The distance, the two objects has drifted apart in 1 year is 25 km
So, the distance, the two objects has been drifted apart in 10 years, will be =

Hence, the distance between the two objects in 10 years will be 250 kilometers.