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STEP 1: Create a ratio to convert from km. to miles. STEP 2: 3 sec./1 km. = 9 sec./(x) km. 3x = 9 x = 3 km. x 1 mi./1.6 km. = 1.9 mi. OR STEP 1: 4.8 sec./1 mi. = 9 sec./(x) mi. STEP 2: 4.8x = 9 x = 1.9 mi.

Please send any comments to:
Curator: Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov