Given: Speed of the man (v) = 6 m/s

Distance Calculation:

Distance to the Mirror: As the man moves toward the mirror, the distance between him and the mirror decreases by 6 m/s.

Distance to the Image: The image moves toward the man at the same speed (6 m/s).

Total Change in Distance:

The total distance between the man and his image decreases at the rate of:

Rate of distance change = v + v = 6 m/s + 6 m/s = 12 m/s

Conclusion: The distance between the man and his image increases at a speed of 12 meters per second.