If the vehicle in the image is traveling at 80 km/h, will it do so correctly after the sign?

If the vehicle in the image is traveling at 80 km/h, will it do so correctly after the sign?
A)Yes.Correct
B)No.
The sign in the question image is the minimum speed sign, that is, it requires us to drive at a minimum of 50 km/h, therefore the vehicle traveling at 80 km/h will be doing so correctly.