"speed": HTML5 Crossword

Across

5. a fancy word for speed (8)
8. what scientist first measured speed (7,0)
9. fastest human (4)
10. fastest ocean animal (8)
15. slowest dinosaur (11)
16. which state has the highest speed limit (5)
18. planet with an orbital speed of 13.1 km/s (7)
19. sound travels fast in _ air (4)

Down

1. fastest land animal (7)
2. fastest bird is the The Peregrine___ (6)
3. state that had the fastest tornado (8)
4. hurricane __ had the fastest wind speeds (7,0)
6. fastest insect is the Australian ____beetle (5)
7. slowest land animal (5)
11. fastest roller coaster (12)
12. color of car that gets caught speeding (5)
13. county with the fastest elevator (10)
14. fastest water craft is named the Spirit of __ (9)
17. slowest insect (5)