Sorry but this is a math question..
Not an arts question.
Plutonium !
and now i have to reach the word limit thing so ahh
Answer:
The principles of design are harmony, variety, balance, proportion, emphasis, and rhythm. Harmony creates the impression of unity. Typically directors and designers seek to harmonize the parts of each setting or costume and to relate the various settings and costumes in such a way that all are clearly parts of a whole.
Explanation:
Answer: speed and velocity
