Answer the question based on the information given below.
Ran and Shyam run a race between points A and B, $5$ km apart. Ram starts at $9$ a.m. from A at the speed of $5$ km per hour, reaches B and returns to A at the same speed. Shyam starts at $9:45$ a.m. from A at the speed of $10$ km per hour, reached B and come back to A at the same speed.
At what time did Shyam overtake Ram?