For example, a large high-speed cargo ship travelling at a speed of about 40 knots would need an increase of 40 % in propulsion power for every further 1 knot increase in speed.
Umzekelo, inqanawa enkulu enesantya yokuthutha umthwalo ehamba ngesantya esimalunga namashuni amane omlinganiselo wesantya senqanawa ungafuna ukongezelelwa kwamashumi amane eepesenti zamandla okuqhutyelwa phambili kunonyuso santya olungaphezulu ngokomlinganiselo wesantya senqanawa enye.