Sound of a parachute opening ( Pokemon Black and White Vol 7 Kusaka & Yamamoto)
sound of a punch. from: 
Find more hit/ punch words
hit/blow. Find more hit/ punch words
Search tips:
- Fewer searchterms (eg. cat will yield more results than cat sounds)
- Try synonyms (eg. if saber does not give you results, try sword, cutlass or blade)
- Truncate (eg. walk will give more results than walking because it returns everything that has walk in it including walked and walks)