Roller Coaster Physics / 
Discovery Channel School. 
 - VHS 
 - Bethesda, MD :  Discovery Communications,  2002. 
 - 27 minutes 
<br/><br/> Includes guide 
<br/><br/><label>ISBN: </label>1-35738-049-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roller Coasters<br/>Physics--Roller coasters