What kind of work is that ?

It should be x=11 instead of x=-11, so
he is not correct because he made a sign error.
I think it's 10 meters per second.
I'm doing the same thing right now and I'm lost.
Answer:
It would be constant.
Step-by-step explanation:
Since there is no x value, the line will have no slope and just be horizontal about y= -2.