#Python 3, 49 bytes I didn't want to copy the Python 2 answer, so mine is slightly longer.
lambda v,a:print(max(1,min(ceil(v/a/70),10))*'*') Also requires an from math import ceil, I don't know if I need to include that in the byte count
#Python 3, 49 bytes I didn't want to copy the Python 2 answer, so mine is slightly longer.
lambda v,a:print(max(1,min(ceil(v/a/70),10))*'*') Also requires an from math import ceil, I don't know if I need to include that in the byte count