| __ | 1. | 0,002 km/sec | | A. | 3.600 m/uur | | __ | 2. | 0,3 m/sec | | B. | 600 km/min | | __ | 3. | 1 km/sec | | C. | 1.000m/s | | __ | 4. | 1 m/sec | | D. | 7.200 m/uur | | __ | 5. | 5 dm/ sec | | E. | 6.000.000 m/min | | __ | 6. | 5 km/ uur | | F. | 50 cm/sec | | __ | 7. | 5 mm/ sec | | G. | 5.000 m/sec | | __ | 8. | 10 km/sec | | H. | 300 mm/ min | | __ | 9. | 100 km /sec | | I. | 0,2 m/ min | | __ | 10. | 200 mm/min | | J. | 18 m/min |
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