-Engage with them and clarify that their fears are unfounded and they will indeed be accepted.
-Advise them on avenues for improvement.
-Be a supportive friend throughout the process.
It appears that the key options for us to select the answer were not included, but I hope this response is useful. The most fitting explanation for how a stimulus’ intensity is conveyed to the central nervous system from sensory nerves is this: when the stimulus’ strength increases, the frequency of action potentials also rises. Hope this assists.
You need to consider the traffic in front of you, as well as the conditions in both your lane and your intended lane, in addition to what's directly behind you.