Citius

Every Olympian wants to move quickly, but be careful not to get completely stuck! Waldo sends some messages in fast and slow bursts to the Olympians. What do the Olympians need to get faster?

COME SAFELY THROUGH A DISASTER
DESCRIBES THE STARS AT NIGHT
MENTION OF A PRAISEWORTHY ACT
PRETTY NORMAL AS A QUANTITY
PREVENTED FROM ABILITY TO MOVE
THE ACT OF CONSTANT SUPERVISION
WHACK SOMETHING WITH SIGNIFICANT FORCE
CHANGE THE APPEARANCE BY EXPOSURE
CRITICAL FAILURE TO HIT SOMETHING
EXTREMELY EFFECTIVE OR VERY SKILLFUL
HEADED IN A CERTAIN DIRECTION
NO LONGER ALIGHT OR EXTINGUISHED
PENALTY FOR COMMITTING BAD BEHAVIOR
UNINTENTIONAL FAILURE TO NOTICE SOMETHING


 

Hints

How do I start this puzzle? The clues should give words that are specifically contranyms, which describes words that can, depending on definition, be used to describe 2 opposites, with the flavortext clueing the word FAST either as moving quickly or being completely stuck. Can you use that to solve the rest of the clues? Each word should be defined by 2 clues, 1 in the left column and 1 in the right column.
What is the meaning of the fast and slow bits of audio? Can you think of another common cipher where you can interpret something faster or slower? You usually do not see this cipher for 5 bits, but you will interpret 0.5x and 1.5x speeds different.