What does 'speeded up' mean in this content?

[Sergio]

Business English Lesson, Advanced Level

ESL/EFL Test #36 "Super Supermarkets", question 7

Inquiries are held which seem to go on forever and you only wish that the procedure could be ..........

(a) speeded through
(b) speeded along
(c) speeded up
(d) speeded in

Business English Lesson, Advanced Level

ESL/EFL Test #36 "Super Supermarkets", answer 7

Inquiries are held which seem to go on forever and you only wish that the procedure could be speeded up.

Correct answer: (c) speeded up
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why?

Sergio

[Mister Micawber]

.
'Up' is included in many phrasal verbs to indicate an increased intensity or tempo, or to emphasize completion:

The procedure was speeded up. (= made to operate with more speed)
Please finish up your homework. (= please finish it quickly)
I wrapped up the gift. (= wrapped it completely)
.
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Native English teacher at Mister Micawber's