Hi<br/><br/>Are these sentences natural English?<br/><br/>I'll be leaving within 30 minutes, so you<b> </b><u><b>have to sort of quicken up</b></u> if you're coming to my office.<br/><br/>I'll be leaving within 30 minutes, so <b>you have to sort of hurry up</b> if you're coming to my office.<br/><br/>Thanks,<br/><br/>Tom